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Exam (elaborations)
Chapter 23 Electrostatic Energy and Capacitors
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---16July 20232022/2023A+
- 1) The charge on the square plates of a parallel-plate capacitor is Q. The potential across the 
plates is maintained with constant voltage by a battery as they are pulled apart to twice their 
original separation, which is small compared to the dimensions of the plates. The amount of 
charge on the plates is now equal to A) 4Q. 
B) 2Q. 
C) Q. 
D) Q/2. 
E) Q/4. 
Answer: D 
Var: 1 
2) The electric field between square the plates of a parallel-plate capacitor has magnitude E. The 
potential ac...
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